Michael Freno
7c684a42cc
- Consolidated duplicate UndoManagers to single instance - Fixed connection promise to only resolve on 'connected' status - Fixed WebSocketProvider import (WebsocketProvider) - Added proper doc.destroy() cleanup - Renamed isPresenceInitialized property to avoid conflict Co-Authored-By: Paperclip <noreply@paperclip.ing>
40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
import type { Address } from 'abitype'
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import type { ErrorType } from '../../errors/utils.js'
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import { LruMap } from '../lru.js'
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import { checksumAddress } from './getAddress.js'
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const addressRegex = /^0x[a-fA-F0-9]{40}$/
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/** @internal */
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export const isAddressCache = /*#__PURE__*/ new LruMap<boolean>(8192)
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export type IsAddressOptions = {
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/**
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* Enables strict mode. Whether or not to compare the address against its checksum.
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*
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* @default true
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*/
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strict?: boolean | undefined
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}
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export type IsAddressErrorType = ErrorType
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export function isAddress(
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address: string,
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options?: IsAddressOptions | undefined,
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): address is Address {
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const { strict = true } = options ?? {}
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const cacheKey = `${address}.${strict}`
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if (isAddressCache.has(cacheKey)) return isAddressCache.get(cacheKey)!
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const result = (() => {
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if (!addressRegex.test(address)) return false
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if (address.toLowerCase() === address) return true
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if (strict) return checksumAddress(address as Address) === address
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return true
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})()
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isAddressCache.set(cacheKey, result)
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return result
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}
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